C3123121111331312121111331333133313331331121133133313223113313233111   >>    C312312111133131212111133133313331333133112113313331322311331323311   <<    C3123121111331312121111331333133313331331121133133313223113313233113   >>      C3123121111331312121111331333133313331331121133133313223113313233112   >>